Network neutrality is not a free speech issue. It's a matter of monopoly abuse. I would say that I don't know why you would conflate these issues, but it's actually pretty transparent.
As far as I can tell, social networks do treat conservative and liberal voices equally, there just seems to be a bit of an issue with bigoted stupid moral abscesses masquerading as conservatives.
Just in case you were unaware, it's easier to host a website than build a global telecommunications network. Which is why we get governments involved in doing the latter. What have you tried other than demanding government involvement in your problems?